Home / 283,458,499.02-391,172,725.44-153,078,307.02

Finding the Fourth Proportional to 283,458,499.02, 391,172,725.44 and 153,078,307.02

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Solution

The fourth proportional to 283,458,499.02, 391,172,725.44 and 153,078,307.02 is: 211,248,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,499.02 : 391,172,725.44 = 153,078,307.02 : x
  2. Step 2: Convert to fraction form
    283,458,499.02/391,172,725.44 = 153,078,307.02/x
  3. Step 3: Cross multiply
    283,458,499.02x = 391,172,725.44 × 153,078,307.02
  4. Step 4: Simplify right side
    283,458,499.02x = 59,880,058,562,754,488
  5. Step 5: Solve for x
    x = 59,880,058,562,754,488/283,458,499.02
  6. Step 6: Final answer
    x = 211,248,061.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.